How many flights depart from Idaho Falls to State of Washington on average per day?

As of November 2025, there are 4 flights per day flying from Idaho Falls to State of Washington. The most common time of day flights depart is 6:00AM, with 58% of flights taking off at noon.

How many flights depart from Idaho Falls to State of Washington on average per week?

The number of flights available between Idaho Falls and State of Washington is 34 per week as of November 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

What is the cheapest airline that flies from Idaho Falls Fanning Field to Washington?

Allegiant Air, Delta, and Alaska Airlines are the most popular carriers operating from Idaho Falls Fanning Field to Washington

What airlines fly to State of Washington?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to State of Washington from Idaho Falls according to our data. Alaska Airlines is the first choice among our users, with 69% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Washington?

Prices for flights from Idaho Falls Fanning Field Airport to Washington are updated daily.

How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Washington?

The number of operators available for flights from Idaho Falls Fanning Field Airport to Washington is 4 as of November 2025.

How old do you have to be to fly from Idaho Falls Fanning Field Airport to Washington?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$52 Cheap Flights from Idaho Falls to Washington in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:26 pm - 4:11 pmIDA-PDX

1h 45mnonstop

12:01 pm - 2:36 pmPDX-IDA

1h 35mnonstop

$101Allegiant Air

Find Deal

lun., dic. 8 - vie., dic. 12

3:26 pm - 4:11 pmIDA-PDX

1h 45mnonstop

12:01 pm - 2:36 pmPDX-IDA

1h 35mnonstop

$109Allegiant Air

Find Deal

vie., dic. 12 - lun., dic. 15

9:00 am - 10:10 amIDA-SEA

2h 10mnonstop

3:35 pm - 6:18 pmSEA-IDA

1h 43mnonstop

$147Alaska Airlines

Find Deal

sáb., ene. 17 - lun., ene. 19

5:07 pm - 6:16 pmIDA-SEA

2h 09mnonstop

9:15 pm - 11:59 pmSEA-IDA

1h 44mnonstop

$157Alaska Airlines

Find Deal

mié., dic. 3 - mié., dic. 10

1:27 pm - 2:12 pmIDA-PDX

1h 45mnonstop

10:40 am - 4:27 pmPDX-IDA

4h 47m1 stop

$171Multiple Airlines

Find Deal

mié., nov. 26 - mié., dic. 10

7:56 pm - 11:56 amIDA-PDX

17h 00m2 stops

1:54 pm - 4:32 pmPDX-IDA

1h 38mnonstop

$174Multiple Airlines

Find Deal

lun., nov. 17 - vie., nov. 21

7:06 pm - 12:21 amIDA-SEA

6h 15m1 stop

5:00 pm - 10:21 pmSEA-IDA

4h 21m1 stop

$207Delta

Find Deal

vie., dic. 5 - dom., dic. 7

1:17 pm - 8:57 pmIDA-GEG

8h 40m2 stops

1:10 pm - 10:21 pmGEG-IDA

8h 11m2 stops

$226Delta

Find Deal

vie., dic. 5 - lun., dic. 8

8:00 am - 1:04 pmIDA-PSC

6h 04m1 stop

6:00 pm - 10:38 pmPSC-IDA

3h 38m1 stop

$254Hawaiian Airlines

Find Deal

mar., mar. 10 - mié., mar. 11

8:00 am - 1:04 pmIDA-PSC

6h 04m1 stop

6:00 pm - 10:38 pmPSC-IDA

3h 38m1 stop

$316Hawaiian Airlines

Find Deal

mar., mar. 10 - mié., mar. 11

Alaska Airlines flights from Idaho Falls to State of Washington

Our best Alaska Airlines deals on Idaho Falls to State of Washington flight tickets

Alaska Airlines

Jan 17

IDA9:00 amIdaho Falls Fanning Field

2h 10m

SEA10:10 amSeattle/Tacoma Intl

Jan 19

SEA3:35 pmSeattle/Tacoma Intl

1h 43m

IDA6:18 pmIdaho Falls Fanning Field

$147

Find similar

Alaska Airlines

Dec 3

IDA5:07 pmIdaho Falls Fanning Field

2h 09m

SEA6:16 pmSeattle/Tacoma Intl

Dec 10

SEA9:15 pmSeattle/Tacoma Intl

1h 44m

IDA11:59 pmIdaho Falls Fanning Field

$157

Find similar

Alaska Airlines

Dec 3

IDA5:07 pmIdaho Falls Fanning Field

2h 09m

SEA6:16 pmSeattle/Tacoma Intl

Dec 6

SEA1:36 pmSeattle/Tacoma Intl

1h 51m

IDA4:27 pmIdaho Falls Fanning Field

$167

Find similar

Delta flights from Idaho Falls to State of Washington

Our best Delta deals on Idaho Falls to State of Washington flight tickets

Delta

Dec 5

IDA7:06 pmIdaho Falls Fanning Field

6h 15m

1 stop

SEA12:21 amSeattle/Tacoma Intl

Dec 7

SEA5:00 pmSeattle/Tacoma Intl

4h 21m

1 stop

IDA10:21 pmIdaho Falls Fanning Field

$207

Find similar

Delta

Dec 5

IDA1:17 pmIdaho Falls Fanning Field

8h 40m

2 stops

GEG8:57 pmSpokane

Dec 8

GEG1:10 pmSpokane

8h 11m

2 stops

IDA10:21 pmIdaho Falls Fanning Field

$226

Find similar

Delta

Feb 3

IDA6:35 pmIdaho Falls Fanning Field

6h 34m

1 stop

SEA12:09 amSeattle/Tacoma Intl

Feb 25

SEA4:55 pmSeattle/Tacoma Intl

4h 26m

1 stop

IDA10:21 pmIdaho Falls Fanning Field

$228

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momondo Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

lun. 12/8

3:26 pm-4:11 pm

Nonstop1h 45m

Portland

vie. 12/12

12:01 pm-2:36 pm

Nonstop1h 35m

$101

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

vie. 12/12

3:26 pm-4:11 pm

Nonstop1h 45m

Portland

lun. 12/15

12:01 pm-2:36 pm

Nonstop1h 35m

$109

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

sáb. 1/17

9:00 am-10:10 am

Nonstop2h 10m

Seattle/Tacoma Intl

lun. 1/19

3:35 pm-6:18 pm

Nonstop1h 43m

$147

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

mié. 12/3

5:07 pm-6:16 pm

Nonstop2h 09m

Seattle/Tacoma Intl

mié. 12/10

9:15 pm-11:59 pm

Nonstop1h 44m

$157

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

mié. 11/26

1:27 pm-2:12 pm

Nonstop1h 45m

Portland

mié. 12/10

10:40 am-4:27 pm

1 stop4h 47m

$171

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

lun. 11/17

7:56 pm-11:56 am

2 stops17h 00m

Portland

vie. 11/21

1:54 pm-4:32 pm

Nonstop1h 38m

$174

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

vie. 12/5

7:06 pm-12:21 am

1 stop6h 15m

Seattle/Tacoma Intl

dom. 12/7

5:00 pm-10:21 pm

1 stop4h 21m

$207

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

vie. 12/5

1:17 pm-8:57 pm

2 stops8h 40m

Spokane

lun. 12/8

1:10 pm-10:21 pm

2 stops8h 11m

$226

Idaho FallsPasco

IDA - PSC

IDAPSC

Idaho Falls Fanning Field

mar. 3/10

8:00 am-1:04 pm

1 stop6h 04m

Pasco Tri Cities

mié. 3/11

6:00 pm-10:38 pm

1 stop3h 38m

$254

Idaho FallsPasco

IDA - PSC

IDAPSC

Idaho Falls Fanning Field

mar. 3/10

8:00 am-1:04 pm

1 stop6h 04m

Pasco Tri Cities

mié. 3/11

6:00 pm-10:38 pm

1 stop3h 38m

$316

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho Falls to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to State of Washington?

The month of April is, on average, the cheapest month to fly to State of Washington from Idaho Falls, with most prices found around $227. If you aren’t able to travel to State of Washington during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $238.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Idaho Falls to State of Washington is on a Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $395. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Idaho Falls to State of Washington for around $511.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $240. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $617 on average. Flights to State of Washington from Idaho Falls at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Idaho Falls Fanning Field to Washington flight route?

Fly from Idaho Falls Fanning Field to Seattle/Tacoma Intl for the best Idaho Falls Fanning Field - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Idaho Falls when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $315 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Idaho Falls for as low as $221 on momondo.

What cabin class options are available on Idaho Falls Fanning Field to Washington flights?

There are 3 cabin classes available to choose from on Idaho Falls Fanning Field to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho Falls to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Idaho Falls to State of Washington.

Cheap Idaho Falls to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to State of Washington

Best Price Found	$237
Fastest flight time	1h 45m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in State of Washington	2 airports

The best one-way flight to State of Washington from Idaho Falls in the past 72 hours is $237. The best round-trip flight deal from Idaho Falls to State of Washington found on momondo in the last 72 hours is $311.

The fastest flight from Idaho Falls to State of Washington takes 1h 45m

Direct flights go from Idaho Falls to State of Washington on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Alaska Airlines.

There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)

Search flight deals

When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Washington?
Prices for flights from Idaho Falls Fanning Field Airport to Washington are updated daily.
How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Washington?
The number of operators available for flights from Idaho Falls Fanning Field Airport to Washington is 4 as of November 2025.
How old do you have to be to fly from Idaho Falls Fanning Field Airport to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Idaho Falls to State of Washington?
Based on momondo bookings for flights between Idaho Falls and State of Washington, the leading plane model is Embraer 175, making up 58.00% of the total bookings. Other popular models include Boeing 737 MAX 8 with 4.00%, Embraer 175 (Enhanced Winglets) with 4.00%, and Boeing 737 MAX 9 with 4.00%.

Best airlines flying from Idaho Falls to State of Washington

Compare and see reviews for airlines that fly from Idaho Falls to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $118	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $119	Free Cancellation	Rating 7.8 2,800 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $187	Free Cancellation	Rating 8.0 11,241 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Washington?

Finding the right flight to Washington from Idaho Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

Can I find flights from Idaho Falls to Washington with flexible booking policies on momondo?

Yes. All flights to Washington from Idaho Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho Falls to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho Falls to Washington.

I’m not ready to book a flight from Idaho Falls to Washington right now. Can momondo alert me if prices change?

Price alerts on flights to Washington from Idaho Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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vie. 12/5

vie. 12/12

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Popular cities in Washington

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Idaho Falls flight routes

Flights from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl

Flights from Idaho Falls Fanning Field to Portland

Flights from Idaho Falls Fanning Field to Santa Ana J. Wayne/Orange Cnty

Flights from Idaho Falls Fanning Field to Salt Lake City

Flights from Idaho Falls Fanning Field to Seattle/Tacoma Intl

Flights from Idaho Falls Fanning Field to Denver Intl

Cheap flights from Idaho Falls to Washington from $52

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Washington departing on 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Find the cheapest flights from Idaho Falls to Washington

Cheap round-trip flights

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Alaska Airlines flights from Idaho Falls to State of Washington

Our best Alaska Airlines deals on Idaho Falls to State of Washington flight tickets

Delta flights from Idaho Falls to State of Washington

Our best Delta deals on Idaho Falls to State of Washington flight tickets

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Use the filters below to find and compare flights from Idaho Falls to Washington that are best for you.

See travel insights to Washington from

How to get the cheapest flight ticket from Idaho Falls to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

What is the cheapest day to depart on your flight to State of Washington?

What is the cheapest time of day to depart on your flight to State of Washington?

What is the cheapest Idaho Falls Fanning Field to Washington flight route?

Fly from Idaho Falls Fanning Field to Seattle/Tacoma Intl for the best Idaho Falls Fanning Field - Washington flight prices

How far in advance should I book a flight to State of Washington?

What cabin class options are available on Idaho Falls Fanning Field to Washington flights?

There are 3 cabin classes available to choose from on Idaho Falls Fanning Field to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho Falls to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Idaho Falls to State of Washington.

What is the cheapest airline that flies from Idaho Falls Fanning Field to Washington?

Allegiant Air, Delta, and Alaska Airlines are the most popular carriers operating from Idaho Falls Fanning Field to Washington

What airlines fly to State of Washington?

How many flights depart from Idaho Falls to State of Washington on average per day?

As of November 2025, there are 4 flights per day flying from Idaho Falls to State of Washington. The most common time of day flights depart is 6:00AM, with 58% of flights taking off at noon.

How many flights depart from Idaho Falls to State of Washington on average per week?

The number of flights available between Idaho Falls and State of Washington is 34 per week as of November 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

Cheap Idaho Falls to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to State of Washington

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Washington?

How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Washington?

How old do you have to be to fly from Idaho Falls Fanning Field Airport to Washington?

What documentation or ID do you need to fly to Washington?

What is the most popular plane model from Idaho Falls to State of Washington?

Best airlines flying from Idaho Falls to State of Washington

Compare and see reviews for airlines that fly from Idaho Falls to State of Washington with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Washington?

Can I find flights from Idaho Falls to Washington with flexible booking policies on momondo?

How can momondo help me find flights from Idaho Falls to Washington?

I’m not ready to book a flight from Idaho Falls to Washington right now. Can momondo alert me if prices change?

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo